body {
    font-family: Arial, Helvetica, sans-serif;
}

* {
    box-sizing: border-box;
}


/* 容器样式 */
.container {
    position: relative;
    border-radius: 5px;/* 圆角 */
    background-color: #f2f2f2;
    padding: 20px 0 30px 0;
}


/* 输入框，链接按钮样式 */
input,
.btn {
    width: 100%;
    padding: 12px;
    border-style: solid;
    border-width: 1px;
    border-radius: 4px;
    margin: 5px 0;
    opacity: 0.85;
    display: inline-block;
    font-size: 17px;
    line-height: 20px;
    text-decoration: none; /* 移除锚文本链接下划线 */
}

input:hover,
.btn:hover {
    opacity: 1;
}


/* 提交按钮样式 */
input[type=submit] {
    background-color: #483D8B;
    color: white;
    cursor: pointer;
}

input[type=submit]:hover {
    background-color: #6495ED;
}



.col {
    float: none;
    width: 500px;
    margin: auto;
    padding: 0 50px;
    margin-top: 6px;
}

/* 清除浮动 */
.row:after {
    content: "";
    display: table;
    clear: both;
}


/* 水平方向的文本 */
.vl-innertext {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #f1f1f1;
    border: 1px solid #ccc;
    border-radius: 50%;
    padding: 8px 10px;
}

/* 底部容器 */
.bottom-container {
    text-align: center;
}

/* 底部按键 */
.btn2 {
    width: 100%;
    padding: 12px;
    text-decoration: none;
    font-size: 15px;
    color:#3399ff;
}

.btn2:hover {
    color:#483D8B;
}

